Description
Compact Dual Triode for RF Circuits
The RFT ECC85 (6AQ8) is a miniature double triode vacuum tube designed for high-frequency applications such as FM tuner front-ends and oscillator stages. It houses two matched triode sections in a single glass envelope, enabling balanced signal processing and clear, low-noise amplification. Its precise electrical characteristics and compact design make it popular for vintage radio restorations and custom RF equipment.
Consistent Gain and Oscillator Stability
Each triode section delivers stable gain with minimal distortion, supporting clear and steady frequency reception. The ECC85 operates efficiently at VHF frequencies, maintaining strong signal integrity in tuner front-ends. RFT’s precise manufacturing reduces microphonics and internal capacitance, which enhances oscillator stability. Furthermore, the tube withstands continuous operation without performance loss, ensuring reliable amplification in sensitive RF circuits.
Versatile Design and Broad Compatibility
Featuring a 9-pin B9A base and slim glass envelope, the ECC85 fits compactly into chassis common in radios and test instruments. It serves as a direct replacement for other ECC85 types. Whether restoring vintage FM radios or building custom front-end circuits, the RFT ECC85 installs easily and performs reliably.
Trusted RFT Quality and Craftsmanship
RFT is known for manufacturing vacuum tubes with strong build quality, electrical consistency, and long service life. The ECC85 exemplifies these traits with durable internal parts and tight production tolerances. It maintains stable gain and low noise through extended use and thermal cycling. Consequently, engineers and enthusiasts choose this tube for quality RF applications.
Ideal for Vintage and Modern RF Designs
Whether repairing classic FM tuners or crafting boutique radio gear, the RFT ECC85 (6AQ8) offers compact size, clear gain, and stable oscillator function. Choose this dual triode for smooth, low-noise amplification and reliable performance in high-frequency circuits.
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